Free for every A/L ICT student

AL ICT Tools

Check your answers and learn the method. Every tool shows the working step by step – number systems, IEEE 754, complements, subnetting, VLSM and Boolean logic.

Number System Converter

Binary, octal, decimal and hexadecimal – including fractions, with step-by-step working.

Binary Octal Decimal Hex Fractions

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IEEE 754 Floating Point Calculator

Single (32-bit) and double (64-bit) precision – sign, exponent, mantissa, hex and the exact stored value.

Single Double Sign Exponent Mantissa

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1's & 2's Complement Calculator

Sign-magnitude, 1's complement and 2's complement for any bit width, plus 2's complement addition / subtraction.

Sign-magnitude 1's 2's Overflow

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IP Address & Subnet Calculator

Network & broadcast address, CIDR, subnet mask, subnetting (FLSM) and VLSM allocation tables.

IPv4 CIDR Subnetting VLSM

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Boolean Expression Solver

Simplify any Boolean expression to minimal SOP & POS, with K-map, prime implicants and equivalence check.

Simplify SOP POS Equivalence

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Truth Table Generator

Full truth table for any expression – with every intermediate column, minterms and maxterms.

Truth table Intermediate columns Σm / ΠM

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K-Map Solver

Interactive Karnaugh map for 2–5 variables with don't cares, grouping and minimal SOP / POS.

2–5 variables Don't cares Grouping

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SOP ⇄ POS Converter

Convert between Sum-of-Products and Product-of-Sums – canonical forms, Σm / ΠM and minimal forms.

Canonical Minterms Maxterms

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