The CalcSolver Blog
Practical, accurate guides on math and calculators — written and reviewed by our editorial team, and explained step by step.
What Is Equivalent to 3/4? (Equivalent Fractions Explained)
Fractions equivalent to 3/4 include 6/8, 9/12, 12/16 and 15/20. Learn how to find every fraction equal to three-quarters and how to check equivalence.
What Is Equivalent to 2/3? (Equivalent Fractions Explained)
Fractions equivalent to 2/3 include 4/6, 6/9, 8/12 and 10/15. Learn how to find every fraction equal to two-thirds and how to check equivalence.
What Is Equivalent to 1/2? (Equivalent Fractions Explained)
Fractions equivalent to 1/2 include 2/4, 3/6, 4/8 and 5/10. Learn how to find every fraction equal to one-half and how to check two fractions are equivalent.
5/8 as a Percent and Decimal (Step by Step)
5/8 as a decimal is 0.625 and as a percent is 62.5%. Here's how to convert five-eighths to a decimal and a percentage, step by step.
3/4 as a Percent and Decimal (Step by Step)
3/4 as a decimal is 0.75 and as a percent is 75%. Here's how to convert three-quarters to a decimal and a percentage, with the simple method.
1/3 as a Percent and Decimal (Step by Step)
1/3 as a decimal is 0.333… (a repeating decimal) and as a percent is about 33.33%. Here's how to convert one-third to a decimal and percentage.
1/4 as a Percent and Decimal (Step by Step)
1/4 as a decimal is 0.25 and as a percent is 25%. Here's exactly how to convert the fraction one-quarter to a decimal and a percentage, with the method.
Algebraic Expressions — Types, Operations and Examples
What an algebraic expression is, the parts that make it up (terms, coefficients, variables), the main types, and how to add, subtract and simplify them.
Types of Polynomials — Definitions and Examples
A clear guide to the types of polynomials — classified by number of terms (monomial, binomial, trinomial) and by degree (linear, quadratic, cubic) with examples.
How to Factor Polynomials (With Examples)
Learn the four go-to methods for factoring polynomials — GCF, grouping, difference of squares, and trinomials — with clear step-by-step examples.
What Is the Remainder Theorem? Formula With Examples
The Remainder Theorem says the remainder when a polynomial P(x) is divided by (x − a) is just P(a). Here's the formula, why it works, and worked examples.
How to Find the Area of a Triangle (4 Methods)
From the classic ½ × base × height to Heron's formula for three sides, here are four reliable ways to find the area of any triangle — with examples.
Mean, Median and Mode Explained (With Examples)
The three "averages" — mean, median and mode — what each one measures, how to calculate them, and which to use when your data has outliers.
How to Calculate Percentages Quickly (Without a Calculator)
Mental-math tricks for percentages — the 10% method, the reversal trick, tips, discounts and percentage change — plus when to reach for a calculator.
Order of Operations (PEMDAS) Explained Simply
PEMDAS, BODMAS, BIDMAS — they all mean the same thing. Here's how the order of operations works, why it matters, and the traps that catch people out.
How to Use a Scientific Calculator (A Beginner's Guide)
Learn what every key on a scientific calculator does — from sin, cos and tan to memory keys, exponents and the difference between DEG and RAD.