01
Speed & Accuracy
Learn how to avoid common mental math errors and improve your calculator basic math response time on timed exams.
/ Issue 01 — 2025
Improve Your
Calculator Skills
for Basic Math.
Free online tools and tutorials to master math computation skills, featuring our specialized exam-prep calculators.
PEMDAS · 8-DIGIT · 4-FN
Free tools
100%
Calculators
01
Articles
02
Audience
K–12 + Adult
/ 02 Why CalculatorSkills
Three principles
for better
computation.
Whether you're preparing for the Praxis Core, teaching a fifth-grade class, or refreshing your own arithmetic, the same three principles apply. We build every tool and article around them.
02
Exam Preparation
Specialized tools designed for educators and students — including a Praxis Core calculator emulator that mirrors official testing environments.
03
Pedagogical Support
Resources and guides for teaching calculator skills to elementary students, with clear progression from K through 8.
/ 03 Try it now
The Praxis Core
Calculator Emulator.
A four-function basic math calculator online, built to mirror the standardized testing environment. Strict PEMDAS order of operations, memory keys, 8-digit display, and a transfer-display button.