Practical guides, case studies, and educational articles about math, finance, and online tools. Learn how to use calculators in everyday life.
LiczGrupa.pl launches English versions of 6 free tools: percentage, Pythagorean theorem, fractions, random numbers, passwords and colors.
6 Jun 2026Three new math calculators: standard deviation and variance, proportion solver with cross multiplication, powers and roots with decimal exponents. Free online tools.
8 Jun 2026Calculate logarithms (log10, ln, log2), find GCD and LCM of any numbers, compute area of 7 shapes. Three free math calculators with step-by-step formulas.
9 Jun 2026Solve 2x² - 7x + 3 = 0 in one click. Find how much water fits in a cylinder. Calculate fencing for your garden. Three math tools, three real problems.
10 Jun 2026Prime factorization explains why 360 has 24 divisors. Linear and quadratic functions model taxi fares and projectiles. Three math calculators with real examples.
13 Jun 2026Convert 2026 to MMXXVI, liters to gallons, degrees to radians. Three free converters for Roman numerals, volume units and angle measurements.
16 Jun 2026Calculate event probability as fraction and percent, count PIN and password combinations with variations, and compare five rounding methods side by side. Free online tools.
17 Jun 2026Three new math calculators: combinations and permutations for counting problems, matrix operations for linear algebra, and scientific notation converter with SI prefixes.
18 Jun 2026Check if a number is Fibonacci, count combinations with repetition, and find missing triangle angles. Three calculators that complete the math toolbox on LiczGrupa English.
19 Jun 2026Three new date and time calculators: exact age in days with zodiac signs, date difference in years/months/weeks, and date arithmetic with days, weeks, months and years.
20 Jun 2026Three new time tools: day counter for event countdowns, time sum for adding work hours, and time difference for shifts that cross midnight.
21 Jun 2026Convert minutes to decimal hours, check leap year rules for any year, and find ordinal day numbers. Three date and time calculators explained with real examples.
22 Jun 202696 articles total