Rational continued fraction calculator
Expand a rational number into a finite simple continued fraction and inspect every convergent.
Open calculatorMaths & numbers
Everyday percentages, sequences and the numbers in between.
Showing 25–33 of 33 tools
Repeating decimal to fraction calculator
Turn a stated repeating decimal block into an exact reduced fraction, including a non-repeating prefix.
Open calculatorInteger base converter
Convert a signed whole number between numeral bases 2 through 36 without floating-point rounding.
Open calculatorFibonacci sequence and term calculator
Find an exact indexed Fibonacci number, inspect early terms and sum through the selected index.
Open calculatorChmod permissions and umask calculator
Calculate octal permission bits, symbolic display and a separate new-object umask example.
Open calculatorWeighted GPA calculator with course credits
Calculate a credit-weighted GPA from your grade points, optional course bonuses and an explicit maximum point value.
Open calculatorUnit price comparison calculator
Compare multipack offers on the same kilogram, litre or item basis, including the percentage saving relative to offer A.
Open calculatorLinear equation solver with balancing steps
Solve ax+b=cx+d with balancing steps, substitution checks and a graph of the two linear expressions.
Open calculatorLinear inequality solver with sign-reversal steps
Solve ax+b < cx+d or its inclusive and greater-than variants, with explicit boundary inclusion and sign reversal.
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