Mathematics Calculators
Basic to scientific calculators plus percentages and ratios.
11 calculators in this category
Percentage Calculator
% of a number, what percent X is of Y, or percentage change.
🔢Basic Calculator
Everyday arithmetic with keyboard and keypad input plus live results.
🔬Scientific Calculator
Trigonometry, logarithms, powers, roots and constants with expression parsing.
🧮Average Calculator
Mean, sum, count, min and max of any list of numbers.
🎲Random Number Generator
Generate random integers in any range — with optional count.
½Fraction Calculator
Add, subtract, multiply and divide fractions with simplification.
🔺Triangle Calculator
Area, perimeter and type from three sides (Heron's formula).
√Square Root Calculator
Square root plus perfect-square detection and precision digits.
⚖️Ratio Calculator
Simplify ratios and scale recipe/mix quantities.
🔗LCM Calculator
Least Common Multiple of two or more whole numbers.
✂️HCF Calculator
Highest Common Factor (GCD) of two or more whole numbers.