Education
School and academic helpers. Fractions, rule of three, percentage and equations.
Total tools: 14
Basic Math
Fraction Converter
Perform operations with fractions: addition, subtraction, multiplication and division. Simplify and convert to decimal.
MMC and MDC Calculator
Calculate the Least Common Multiple (LMC) and the Greatest Common Divisor (GDC) between integers.
Simple Rule of 3
Solve proportion problems with the Simple Rule of Three. Quick calculation for everyday situations.
Angle Converter (School)
Convert angles between degrees, radians and grads. Fundamental to trigonometry and calculus.
Percentage Calculator
Calculate percentages, increases and discounts. Learn to apply percentages in practice.
Algebra
Advanced Rule of 3
Solve complex proportionality problems with the Compound Rule of Three.
Equation Solver
Find the solution to simple linear and quadratic equations. Check your algebra exercises.
Basic Sciences
Temperature Converter (School)
Convert temperatures between Celsius, Fahrenheit and Kelvin. Ideal for physical exercises.
Bits and Bytes (Educational)
Understand and convert data storage units (bits, bytes) in an educational context.
Geography
Roman Numerals
Convert decimal numbers to Roman numerals and vice versa. Learn classical notation.
Geographic coordinates
Convert geographic coordinates between decimal and degree-minutes-seconds (GMS) formats.
Cartographic Scale
Calculate actual distances based on map scale. Useful tool for geography and cartography.
Numbering Systems
Convert numbers between decimal, binary, octal and hexadecimal systems. Essential for computer science.
Scientific Notation
Convert numbers to scientific notation and vice versa. Make very large or small numbers easier to read.