AtlasCalc🎓 Student Essentials
GPA, grades, statistics, percentages — the daily toolkit.
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education
GPA from grades and credit hours. Format: 'A,4; B+,3; A-,4'.
GPA = Σ(gradePoints × credits) / Σ(credits)
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education
Convert a percentage score to a letter grade and GPA points.
Final grade → letter via institution's cutoff
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education
How many classes can you miss given an attendance policy?
attendance% = present / totalSessions × 100
Calculate Calculate percentages, what-percent, and percent change.
result = base × (rate / 100)
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math
Mean, median, mode, range, variance, and standard deviation of a list.
mean = Σx/n; median = middle value; std = √(Σ(x − mean)² / n)
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Add, subtract, multiply, divide and simplify fractions.
a/b ± c/d = (a·d ± b·c) / (b·d); simplify by GCD
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math
Check if a number is prime, or list all primes up to N.
Trial division up to √n; or Sieve of Eratosthenes for ranges
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math
Find the real roots of a linear (ax + b) or quadratic (ax² + bx + c) equation. Visualize the polynomial on a graph.
equation · polynomial · root
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