Uc berkeley computer science gpa

Median first-year earnings for University of California Berkeley graduates ranked by degree type and major. Major. Earnings. Business Administration, Management and Operations (Master's Degree) $160,600. Law (First Professional Degree) $135,400. Information Science/Studies (Master's Degree) $122,000. Answer (1 of 7): Hey there! I’m a rising sophomore who recently declared the L&S CS major after meeting the GPA threshold. This is my story. Hang tight! I entered Berkeley in Fall 2017 fresh out of high school. Average GPA: 3.89 This makes UC Berkeley Extremely Competitive for GPAs. With a GPA of 3.89, UC Berkeley requires you to be near the top of your class, and well above average. You'll need mostly A's, ideally with several AP or IB classes to help show your preparation at a college level.MIMS Admissions. Next start date: August 2023. Application Deadline: January 6, 2023, 8:59 pm PST. (Our Fall 2023 application will be available in mid-September 2022) The I School's Master of Information Management and Systems (MIMS) program welcomes students from a diverse set of backgrounds, nations, cultures, and experiences.All prerequisites to declare must be completed for a letter grade and passed with a 'C-' or higher. Students must achieve a 2.0 Grade Point Average in Data 8, Linear Algebra, and Data Structures to be eligible to declare. The grades earned in Calculus I & II and Program Structures will not be factored into this GPA requirement. You must have a declared major other than CS or EECS and a technical grade point average (GPA) of at least 2.0 in the seven required courses. Please submit the completed form to the CS Undergraduate Advising Office, 377/379 Soda Hall. For any questions, please contact [email protected] Upper Division RequirementsA minimum of 43 of those 50 units must be letter graded and a minimum of 30 of the 50 units must be completed in residence at UC Berkeley. Meet the cumulative UC GPA requirement (click your graduation term below to find the cumulative GPA required for each distinction level). GPAs for each school year are released in mid to late October.What is minimum GPA? The minimum required is 3.0. However, our average GPA for admitted students is 3.80. 60% of admitted applicants have a GPA between 3.67 and 3.97. Which GPA should I compute? All courses after the first two years (or junior standing) that is, the second half of your undergraduate education. 1989 texas state football championship We're thrilled you're considering Berkeley for your graduate study. We offer more than 100 programs for master's, professional, and doctoral students to pursue their dreams. ... 2023 (M.Eng.) December 15, 2022 (5th-Year M.S. for UC Berkeley students only) Required Tests: GRE Required: No. ... in Electrical Engineering and Computer Sciences, the ...There are two ways to study Computer Science (CS) at UC Berkeley: Be admitted to the Electrical Engineering & Computer Sciences (EECS) major in the College of Engineering (COE) as a freshman. ... GPA/Prerequisites to Declare the CS Major Date of Admission to UC Berkeley Prerequisites required GPA required Before Fall 2015 CS 61A, 61B, 61C, 70 ...What are my chances of getting accepted to UC Berkeley Computer Science (B.A), with a 3.8 GPA ? (transferring from CC) While your GPA is in the computer science GPA range, the deciding factor is how you answer the Personal Insight Questions that is compared to the other applicants’ answers. The GPA range represents the lowest 25th percentile up to the top 75th percentile admitted. This means there were some students both below these numbers and above these numbers (assuming the GPA doesn't go to 4.0). This range represents the mid-50%. This is your competitive range. You want to be in this range, the higher the better.To calculate your GPA, divide the total number of grade points earned by the total number of letter graded units undertaken. For each unit of credit the following grade points are earned: A+ = 4 A = 4 A- = 3.7 B+ = 3.3 B = 3 B- = 2.7 C+ = 2.3 C = 2 C- = 1.7 D+ = 1.3 D = 1 D- = 0.7 F = 0 The average admitted GPA for the College of Letters & Science at UC Berkeley is 4.2. For the College of Engineering, not including Electrical Engineering and Computer Science (EE/CS), the average admitted GPA is over 4.3. For the 2019-2020 admissions cycle, we had a 50% acceptance rate to UC Berkeley.The GPA range represents the lowest 25th percentile up to the top 75th percentile admitted. This means there were some students both below these numbers and above these numbers (assuming the GPA doesn't go to 4.0). This range represents the mid-50%. This is your competitive range. You want to be in this range, the higher the better.Apr 18, 2018 · The GPA by Major dashboard displays historical data on aggregated grade point averages for degree recipients in UC Berkeley undergraduate major programs. This data is now available to the campus and to the public and can be shared accordingly. A score between 1330 - 1530 on the SAT exam, or 31 - 35 on the ACT exam is among the 25th - 75th percentile range among accepted students. By applying sampled GPA data from over 150 schools, we are able to estimate that the UC Berkeley average GPA ranges from 3.82 to 4 for accepted students. The competition to get accepted at this school runs ...You will be able to declare Computer Science as your major when you complete your remaining technical prerequisites with a Berkeley grade point average of at least 3.30 in the 3 prerequisite courses (CS 61A, 61B/BL, and 70), and complete the application form required by the department.Historically UCSB's acceptance rate has lingered above 30% but recently dipped below. As more applicants from around the country and the globe set their sights on " the world's best-kept secret ," the school has become increasingly selective. The average enrolled GPA has gone from 4.02 in 2015 to 4.18 in 2019.Computer Science majors with an overall GPA of 3.70 or above are eligible to apply to the EECS honors degree program. Minor Program A minor in Computer Science is available to all undergraduate students at Berkeley with a declared major, with the exception of EECS majors. Sep 20, 2021 · UC Berkeley requires applicants to complete these “A-G” classes with a 3.0 GPA or higher. But completing the minimum class and GPA requirements won’t be enough to get your child into UC Berkeley. They will need to show off their abilities and prove they have what it takes to thrive in a rigorous academic environment. A score between 1330 - 1530 on the SAT exam, or 31 - 35 on the ACT exam is among the 25th - 75th percentile range among accepted students. By applying sampled GPA data from over 150 schools, we are able to estimate that the UC Berkeley average GPA ranges from 3.82 to 4 for accepted students. The competition to get accepted at this school runs ...UC Berkeley’s average GPA is 3.89. UC Berkeley does require GPA. This average GPA means UC Berkeley is very selective. Often times, schools in this range are trying to increase their selectivity and “prestige”. We can’t read the minds of UC Berkeley application readers, but they likely want to increase the average GPA from 3.89 to 4.08 this year - to play The requirements were recently changed so that you need a 3.3 (B+) technical GPA for L&S CS in exactly three courses: a basic general programming course (CS 61A), a data structures course (CS 61B), and discrete math (CS 70). This was done to speed up the process of figuring out if you’re fit for the major (i.e. you meet the GPA). biddeford police logs The far-reaching research done at Berkeley IEOR has applications in many fields such as energy systems, healthcare, sustainability, innovation, robotics, advanced manufacturing, finance, computer science, data science, and other service systems. Faculty research in Berkeley IEOR specializes in stochastic processes, optimization, and supply ...May 31, 2022 · What GPA do you need to get into UC Berkeley computer science? GPA/Prerequisites to Declare the CS Major What is the average GPA at Berkeley? 3.89 Average GPA: 3.89 The average GPA at UC Berkeley is 3.89. This makes UC Berkeley Extremely Competitive for GPAs. (Most schools use a weighted GPA out of 4.0, though some report an unweighted GPA. Answer (1 of 7): Hey there! I’m a rising sophomore who recently declared the L&S CS major after meeting the GPA threshold. This is my story. Hang tight! I entered Berkeley in Fall 2017 fresh out of high school. Students must meet a GPA requirement in prerequisite courses to be admitted to the CS major. Prerequisite and GPA requirements are listed below. Major Declaration Policies Per campus policy, students can retake and earn credit for a class in which they received a grade of D+ or lower.Jun 21, 2013 · Enrollment in the major will be limited to students with a 3.0 or higher GPA in the seven prerequisite classes, as approved by the college’s executive committee in May. Last semester, more than 150... Median first-year earnings for University of California Berkeley graduates ranked by degree type and major. Major. Earnings. Business Administration, Management and Operations (Master's Degree) $160,600. Law (First Professional Degree) $135,400. Information Science/Studies (Master's Degree) $122,000. Undergraduate Majors at University of California Berkeley. The most popular undergraduate major at University of California Berkeley is Cell/Cellular and Molecular Biology followed by Economics and Political Science and Government. A list of all 93 available majors and annual graduates is presented below. Also of interest, median earnings for ... All prerequisites to declare must be completed for a letter grade and passed with a 'C-' or higher. Students must achieve a 2.0 Grade Point Average in Data 8, Linear Algebra, and Data Structures to be eligible to declare. The grades earned in Calculus I & II and Program Structures will not be factored into this GPA requirement. tmnt fanfiction mikey lost son UC Berkeley average weighted GPA: 25th percentile: 4.12. 75th percentile: 4.30. ... They could start a computer science club at school and learn one or more of the different computer programming languages. They could attend a summer coding boot camp to advance their skills. They could volunteer at after-school programs to teach younger students ...Students entering UC Berkeley in fall 2015 or later must complete CS 61A, CS 61B, and CS 70 with a minimum cumulative GPA of 3.30 in those 3 courses in order to apply to the major.* We only use grades for courses completed at UC Berkeley for the GPA calculation.Sep 21, 2022 · The School of Information's courses bridge the disciplines of information and computer science, design, social sciences, management, law, and policy. We welcome interest in our graduate-level Information classes from current UC Berkeley graduate and undergraduate students and community members. More information about signing up for classes. UC Berkeley average weighted GPA: 25th percentile: 4.12. 75th percentile: 4.30. ... They could start a computer science club at school and learn one or more of the different computer programming languages. They could attend a summer coding boot camp to advance their skills. They could volunteer at after-school programs to teach younger students ...The College of Letters & Science (L&S) is the great, big heart of UC Berkeley: great because our international stature is the core of the university's intellectual preeminence, and big because we are the largest of Berkeley's colleges, comprising 38 extraordinary departments and offering more than 80 diverse majors. Despite our size, L&S is a place where students discover the curriculum ...UC Berkeley’s average GPA is 3.89. UC Berkeley does require GPA. This average GPA means UC Berkeley is very selective. Often times, schools in this range are trying to increase their selectivity and “prestige”. Feb 26, 2016 · Students entering UC Berkeley in fall 2015 or after fall 2015 must complete CS 61A, CS 61B, and CS 70 with a minimum cumulative GPA of 3.30 in order to petition for admission to the major. We only use grades for courses completed at UC Berkeley for the GPA calculation. UC Berkeley’s average GPA is 3.89. UC Berkeley does require GPA. This average GPA means UC Berkeley is very selective. Often times, schools in this range are trying to increase their selectivity and “prestige”. Originally Answered: Is it hard to get 3.3 GPA for CS in UC, Berkeley? I suspect you mean to ask about your GPA in the three prerequisites (CS 61A, 61B, 70) to declaring the L&S CS major for students entering in Fall 2015 or later, since 3.3 is indeed the necessary and sufficient average for that (with very few exceptions). The Berkeley Electrical Engineering and Computer Sciences major (EECS), offered through the College of Engineering, combines fundamentals of computer science and electrical engineering in one major. Note that students wishing to study computer science at UC Berkeley have two different major options: The EECS major leads to the Bachelor of ... utsa online orientation quiz answers To calculate your GPA, divide the total number of grade points earned by the total number of letter graded units undertaken. For each unit of credit the following grade points are earned: To count the grade points on your record, multiply the grade points for each grade received by the number of units in the course (consult your college's ...Feb 26, 2016 · Students entering UC Berkeley in fall 2015 or after fall 2015 must complete CS 61A, CS 61B, and CS 70 with a minimum cumulative GPA of 3.30 in order to petition for admission to the major. We only use grades for courses completed at UC Berkeley for the GPA calculation. Berkeley CS. Welcome to the Computer Science Division at UC Berkeley, one of the strongest programs in the country. We are renowned for our innovations in teaching and research. Berkeley teaches the researchers that become award winning faculty members at other universities. This website tells the story of our unique research culture and impact ...To calculate your GPA, divide the total number of grade points earned by the total number of letter graded units undertaken. For each unit of credit the following grade points are earned: A+ = 4 A = 4 A- = 3.7 B+ = 3.3 B = 3 B- = 2.7 C+ = 2.3 C = 2 C- = 1.7 D+ = 1.3 D = 1 D- = 0.7 F = 0 Sep 21, 2022 · The School of Information's courses bridge the disciplines of information and computer science, design, social sciences, management, law, and policy. We welcome interest in our graduate-level Information classes from current UC Berkeley graduate and undergraduate students and community members. More information about signing up for classes. The average admitted GPA for the College of Letters & Science at UC Berkeley is 4.2. For the College of Engineering, not including Electrical Engineering and Computer Science (EE/CS), the average admitted GPA is over 4.3. For the 2019-2020 admissions cycle, we had a 50% acceptance rate to UC Berkeley.A little shoutout to computer science majors —several required classes have ended up on this list and they must complete all of them with an average GPA of 3.0 or higher to apply for the CS major. A feat in and of itself, I must say. Econ 2 — Intro to Economics; B Avg. wikimedia.orgComputer Science at University of California. Check Detailed Fees, Test Scores, Visa Process, Work while Study, Living Costs, Entry Requirements. ... (GPA) of 3.0 (B) on a 4.0 scale. Students have enough undergraduate training to do graduate work in their chosen field. ... F-1 students with UC Berkeley-issued I-20s may work on-campus without ...Berkeley CS. Welcome to the Computer Science Division at UC Berkeley, one of the strongest programs in the country. We are renowned for our innovations in teaching and research. Berkeley teaches the researchers that become award winning faculty members at other universities. This website tells the story of our unique research culture and impact ... 60 hp suzuki outboard reviewsiphone x kiliflarUC Berkeley accepts 22.49% transfer applicants, which is competitive. To have a shot at transferring into UC Berkeley, you should have a current GPA of at least 3.89 - ideally you’re GPA will be around 4.05. In addition, you will need to submit standardized test scores. The below tables show the SAT and ACT breakdown of UC Berkeley students. What are my chances of getting accepted to UC Berkeley Computer Science (B.A), with a 3.8 GPA ? (transferring from CC) While your GPA is in the computer science GPA range, the deciding factor is how you answer the Personal Insight Questions that is compared to the other applicants’ answers. Sep 20, 2021 · UC Berkeley requires applicants to complete these “A-G” classes with a 3.0 GPA or higher. But completing the minimum class and GPA requirements won’t be enough to get your child into UC Berkeley. They will need to show off their abilities and prove they have what it takes to thrive in a rigorous academic environment. Students who pursue the B.A. in Computer Science apply to the College of Letters & Science when they are applying for admission to UC Berkeley. As they begin taking the introductory Computer Science courses (CS 61A, CS 61B, and CS 70), they must maintain a 3.3 GPA within these courses in order to "declare" their major as Computer Science. Up ...Computer Science majors with an overall GPA of 3.70 or above are eligible to apply to the EECS honors degree program. Minor Program A minor in Computer Science is available to all undergraduate students at Berkeley with a declared major, with the exception of EECS majors.Dec 12, 2021 · Students who pursue the B.A. in Computer Science apply to the College of Letters & Science when they are applying for admission to UC Berkeley. As they begin taking the introductory Computer Science courses (CS 61A, CS 61B, and CS 70), they must maintain a 3.3 GPA within these courses in order to “declare” their major as Computer Science. Median first-year earnings for University of California Berkeley graduates ranked by degree type and major. Major. Earnings. Business Administration, Management and Operations (Master's Degree) $160,600. Law (First Professional Degree) $135,400. Information Science/Studies (Master's Degree) $122,000. UC Berkeley Campus. University of California Berkeley campus is home to over 32,000 undergraduate students and 10,000 graduate students.The university is among the top universities for best campus life. Student accommodation at the university is available in three options, living on-campus housing with or without a roommate, living in university-owned, off-campus housing, and living off-campus.Does UC Berkeley have a good computer science program? In 2018, UC Berkeley was ranked as the nation's best public university by US News. Moreover, in the category of best Computer Science school in America, Berkeley was tied for number one with MIT, Stanford, and Carnegie Mellon University.MS in Computer Science at the prestigious University of California , Berkeley is an opportunity for students to enhance their knowledge, skills, and career through innovation and research. Being a renowned university, University of California , Berkeley receives enough funds to ensure the best education facilities for its students across all programs. true color presets Berkeley CS. Welcome to the Computer Science Division at UC Berkeley, one of the strongest programs in the country. We are renowned for our innovations in teaching and research. Berkeley teaches the researchers that become award winning faculty members at other universities. This website tells the story of our unique research culture and impact ...Computer Science majors with an overall GPA of 3.70 or above are eligible to apply to the EECS honors degree program. Minor Program A minor in Computer Science is available to all undergraduate students at Berkeley with a declared major, with the exception of EECS majors.Computer Science majors with an overall GPA of 3.70 or above are eligible to apply to the EECS honors degree program. Minor Program A minor in Computer Science is available to all undergraduate students at Berkeley with a declared major, with the exception of EECS majors.What are my chances of getting accepted to UC Berkeley Computer Science (B.A), with a 3.8 GPA ? (transferring from CC) While your GPA is in the computer science GPA range, the deciding factor is how you answer the Personal Insight Questions that is compared to the other applicants’ answers. Average GPA: 3.89 The average GPA at UC Berkeley is 3.89. This makes UC Berkeley Extremely Competitive for GPAs. (Most schools use a weighted GPA out of 4.0, though some report an unweighted GPA. With a GPA of 3.89, UC Berkeley requires you to be near the top of your class, and well above average.Answer (1 of 2): That is actually a vague question. If you just want to major in computer science at UC Berkeley, you can get into the school as an undeclared (CS-intended) student and declare after you have completed your prerequisite courses. L&S Computer Science Pre-Major GPA Calculator. Please enter letter grades for each course (only uppercase letters and +/- symbols work) and leave courses not taken on campus or cleared via AP credit blank. Course. Grade. Math 1A. Math 1B. Math 54. CS 61A/61AS. virginia tech greekrank UC Berkeley average weighted GPA: 25th percentile: 4.12. 75th percentile: 4.30. ... They could start a computer science club at school and learn one or more of the different computer programming languages. They could attend a summer coding boot camp to advance their skills. They could volunteer at after-school programs to teach younger students ...Vector Calculus University of California Santa Cruz Instructors and Course Creators Tony Tromba, PhD, Distinguished Professor, Mathematics Department, UC Santa Mathematics MATH Michael Norris, Interim Dean Math and Computer Science Division Math Building, Room 267 Possible career.May 27, 2020 · GPA In 2019, the middle 50% of UC Berkeley's incoming freshmen class had unweighted GPAs between 3.89 and 4.0. 25% had a GPA above 4.0, and 25% had a GPA below 3.89. These results suggest that most successful applicants to UC Berkeley have primarily A grades. Self-Reported GPA/SAT/ACT Graph UC Berkeley Applicants' Self-Reported GPA/SAT/ACT Graph. Computer Science at University of California. Check Detailed Fees, Test Scores, Visa Process, Work while Study, Living Costs, Entry Requirements. ... A GPA of 3.4 (B+ grade) out of 4.0 is required in the last year of the studies. ... F-1 students with UC Berkeley-issued I-20s may work on-campus without any extra authorization while they are ...UC Berkeley’s average GPA is 3.89. UC Berkeley does require GPA. This average GPA means UC Berkeley is very selective. Often times, schools in this range are trying to increase their selectivity and “prestige”. There are two ways to study Computer Science (CS) at UC Berkeley: Be admitted to the Electrical Engineering & Computer Sciences (EECS) major in the College of Engineering (COE) as a freshman. ... GPA/Prerequisites to Declare the CS Major Date of Admission to UC Berkeley Prerequisites required GPA required Before Fall 2015 CS 61A, 61B, 61C, 70 ...The database, which was released Wednesday, found that the lowest average undergraduate major GPAs of the 10 largest campus departments were integrative biology at 3.24, computer science in the...Answer (1 of 7): Hey there! I’m a rising sophomore who recently declared the L&S CS major after meeting the GPA threshold. This is my story. Hang tight! I entered Berkeley in Fall 2017 fresh out of high school. Feb 26, 2016 · Students entering UC Berkeley in fall 2015 or after fall 2015 must complete CS 61A, CS 61B, and CS 70 with a minimum cumulative GPA of 3.30 in order to petition for admission to the major. We only use grades for courses completed at UC Berkeley for the GPA calculation. Average Academic Profile of Accepted UC Berkeley Students GPA The average high school GPA of UC Berkeley's class of 2025 is 3.86, and 31.5% of the class of 2025 graduated with a 4.0. SAT/ACT The middle 50% SAT score of UC Berkeley's class of 2025 is 1300-1520. Their middle 50% ACT score is 27-35.What GPA do you need to declare CS at Berkeley? GPA/Prerequisites to Declare the CS Major Date of Admission to UC Berkeley Prerequisites required GPA required Before Fall 2015 CS 61A, 61B, 61C, 70; Math 1A, 1B, 54 3.0 overall GPA in those 7 courses Fall 2015 or later CS 61A, 61B, 70 3.30 overall GPA in those 3 courses.UC Berkeley's average GPA is 3.89. UC Berkeley does require GPA. This average GPA means UC Berkeley is very selective. Often times, schools in this range are trying to increase their selectivity and "prestige".Mid-range GPA: This is the mid-50% of GPAs for those admitted to the UC in that major for fall 2015. There were 25% admitted that had lower GPAs and 25% admitted that had higher GPAs. To be competitive and increase your odds, you wan to be in that mid-range or higher, if at all possible.The minimum incoming GPA for transfer students is a 3.0. Importantly, for College of Engineering applications only, the minimum GPA is a 3.5 . Berkeley specifies that students must have a 3.0 in "all transferable college-level coursework."Answer (1 of 7): Hey there! I’m a rising sophomore who recently declared the L&S CS major after meeting the GPA threshold. This is my story. Hang tight! I entered Berkeley in Fall 2017 fresh out of high school. uzu astdThe UC Berkeley Early Childhood Education Program (ECEP) provides childcare and support to infants, toddlers, and preschoolers in Berkeley and Albany. ... Now Accepting Toddler/Preschool Applications for Fall 2022 . ECEP still has space available in our programs serving toddler/preschool aged children (ages 24-58 months) for the 2022-23 school.A lot of my friends and I have 3.9 - 4.0 gpas, while having time to research and partake in many extracurriculars. However, for people outside of the bay area or other parts of the world that have such an emphasis on technical education, the classes can become extremely difficult.The GPA by Major dashboard displays historical data on aggregated grade point averages for degree recipients in UC Berkeley undergraduate major programs. This data is now available to the campus and to the public and can be shared accordingly.Median first-year earnings for University of California Berkeley graduates ranked by degree type and major. Major. Earnings. Business Administration, Management and Operations (Master's Degree) $160,600. Law (First Professional Degree) $135,400. Information Science/Studies (Master's Degree) $122,000. Undergraduate Majors at University of California Berkeley. The most popular undergraduate major at University of California Berkeley is Cell/Cellular and Molecular Biology followed by Economics and Political Science and Government. A list of all 93 available majors and annual graduates is presented below. Also of interest, median earnings for ... cz trials motorcyclesStudents must meet a GPA requirement in prerequisite courses to be admitted to the CS major. Prerequisite and GPA requirements are listed below. Major Declaration Policies Per campus policy, students can retake and earn credit for a class in which they received a grade of D+ or lower.Please refer to Berkeley CS websites and your academic advisor for the most up-to-date info. Courses You'll Be Taking You'll be working towards the 3.30 GPA average across three prerequisite courses: CS61A, CS61B, and CS70. These courses are the only required courses to declare, and no other classes will count towards your prerequisite GPA.The 3.0 GPA requirement to declare may seem scary but as long as you are giving your best effort you'll definitely make it. One thing to consider though is how large the EECS and L&S CS population is getting. Average GPA: 3.89 The average GPA at UC Berkeley is 3.89. This makes UC Berkeley Extremely Competitive for GPAs. (Most schools use a weighted GPA out of 4.0, though some report an unweighted GPA. With a GPA of 3.89, UC Berkeley requires you to be near the top of your class, and well above average.If you read the fine print, there is no guarantee that the GPA cut will be as low as 3.3. Moreover, there is a new major called data science that will affect the number of CS majors, so you can expect that figure for students not to get the major of their choice to go up. 4 Promoted by Masterworks What's a good investment for 2022? Lawrence C.UC Berkeley Campus. University of California Berkeley campus is home to over 32,000 undergraduate students and 10,000 graduate students.The university is among the top universities for best campus life. Student accommodation at the university is available in three options, living on-campus housing with or without a roommate, living in university-owned, off-campus housing, and living off-campus.You must have a declared major other than CS or EECS and a technical grade point average (GPA) of at least 2.0 in the seven required courses. Please submit the completed form to the CS Undergraduate Advising Office, 377/379 Soda Hall. For any questions, please contact [email protected] Upper Division Requirements diy knotless braids xa