Mental Arithmetic Helper vs LucidGym

Calculator that can ask questions with random calculation formulas for mental arithmetic practice etc. >Mental arithmetic practice mode When you tap the mental arithmetic practice mode button, questions will be automatically asked at random. *Tap the mental arithmetic practice mode button again to return to a normal calculator.

LucidGym is your daily brain gym — a focused set of cognitive challenges designed to train reaction speed, memory, attention, logic, and language skills. Whether you want a quick warm-up or a full mental workout, LucidGym helps you stay sharp with clear goals, progress tracking, and rewarding practice sessions. WHY LUCIDGYM • 15 cognitive tests across reaction, memory, attention, logic, vision, and language • Full Assessment mode to measure your overall performance in one session • Quick Start shortcuts for popular drills when you only have a minute • 7-day training plan to build a consistent habit • Focus Index, day streaks, and achievement badges to keep you motivated • Quick meditation to reset before or after intense training • Clean, distraction-free experience built for short daily sessions TRAIN WHAT MATTERS • Reaction Time & Precision Aim • Number Memory & Memory Match • Chimp Test & Stroop Challenge • Speed Math, Math Blitz & Logic Reasoning • Color Vision, Spatial Rotation & Time Perception • Typing Speed, Verbal Memory & Word Puzzle HOW TO USE 1. Open LucidGym and check today’s goal 2. Start a Quick Session or Full Assessment 3. Review your scores and unlock achievements 4. Follow the weekly plan to improve steadily Built for students, professionals, and anyone who wants clearer focus and stronger mental agility. No complicated setup — just open and train. Note: LucidGym is a training and entertainment app. It is not a medical device and does not diagnose, treat, or prevent any medical condition.