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Square Number CalculatorSquare any number instantly with this free n² calculator. Enter a value and get its square (n × n), works for decimals and negatives too.
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Is It a Multiple CalculatorCheck if one number is a multiple of another. Enter N and D to instantly see if N is divisible by D, with quotient and remainder shown.
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Cube Number Calculator (n³)Free cube number calculator. Enter any number to instantly find its cube (n³ = n × n × n). Works with whole numbers, decimals, and negatives.
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FOIL CalculatorMultiply two binomials using the FOIL method. Enter coefficients a, b, c, d to expand (ax+b)(cx+d) into a quadratic, with First, Outer, Inner, Last steps.
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Double Digit Multiplication CalculatorMultiply any two 2-digit numbers instantly. See the product plus the hundreds, tens, and units breakdown using the (10a+b)(10c+d) expansion.
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Multiplication Tables Practice Quiz (1-12)Practice multiplication facts and times tables 1 to 12. Fill in the missing product or multiple, get instant feedback, and view a full reference grid.
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Long Multiplication CalculatorMultiply two numbers with the standard long multiplication algorithm. See every partial product, carry digit, the digit grid, and step-by-step worked solution.
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Multiples of a Number CalculatorGenerate the first 100 multiples of any positive integer, optionally only those strictly greater than a minimum value. Fast, accurate, comma-separated list.
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Lattice Multiplication CalculatorMultiply two whole numbers and see the full lattice (gelosia) grid worked out step by step. Free lattice multiplication calculator with diagonals and product.
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Partial Products CalculatorMultiply two numbers using the partial products method. Breaks each factor into place values, shows every partial product, and sums them to the answer.
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Vedic Multiplication of Teens CalculatorMultiply two teen numbers (11-19) instantly and learn the Indian/Vedic mental-math shortcut step by step. Free, exact, universal arithmetic tool.
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