하루암산 - 자료해석 훈련 (암산/유형별/실전 모드)

Daily Mental Calculation — Calculate a little faster every day

Whether at an exam, a meeting, or grocery shopping, Daily Mental Calculation strengthens your daily calculation skills so you won't hesitate in front of numbers. Practice calculation types frequently used in PSAT and NCS Data Interpretation through short, repetitive sessions.

Daily Mental Calculation This is suitable for:

- Those who want to improve their data interpretation speed on PSAT, NCS, and aptitude tests

- Those who reach for a calculator first because they are weak at mental arithmetic

- Those who need a light routine to wake up their brain during spare moments

Key Features

- Pure Mental Arithmetic Speed ​​Training: Build a calculation rhythm by quickly solving basic arithmetic operations

- Practice by Type: Core data interpretation types such as ratios, weighted averages, growth rates, unit conversions, percentage judgments, and fraction comparisons

- Choose between automatic submission that moves on immediately after entering the answer, or a submission button

- Master incorrect answers by re-solving them with gentle feedback

See your progress with your own eyes

- Today's speed per question at a glance

- Speed ​​improvement rates on a daily, weekly, and monthly basis

- Directly track your progress with steadily accumulating records

Build your calculation muscles with just one round today using Daily Mental Arithmetic.