Scientific Calculator
Scientific Calculatorの無料・高速・高精度ツール
関数電卓 — 高度な科学計算・三角関数・対数計算ツール
オンライン関数電卓の特長
三角関数（sin, cos, tan）、逆三角関数、べき乗、平方根・累乗根、自然対数（ln）・常用対数（log）、階乗、円周率（π）など、高度な工学・物理・数学計算をブラウザ上で正確に実行できます。度数法（DEG）と弧度法（RAD）の切り替えにも完全対応しています。
Frequently Asked Questions
A standard calculator only performs basic four-function arithmetic (+, −, ×, ÷). In contrast, a scientific calculator includes advanced functions such as trigonometry (sin, cos, tan), logarithms (log, ln), exponents, square roots, factorials (n!), and scientific constants (π, e).
Non-scientific (basic) calculators evaluate simple numerical equations sequentially. Scientific calculators handle complex multi-step mathematical operations, respect formal order of operations (PEMDAS/BODMAS), and evaluate trigonometric, exponential, logarithmic, and chemistry calculations.
Scientific calculators are used for advanced mathematics, trigonometry, physics, engineering, statistics, and chemistry calculations (such as computing pH values, molarity, radioactive decay, and exponential growth rates).
You can access a free, full-featured scientific calculator online anytime at CalculatorsDaily.com/scientific-calculator.html on any smartphone, tablet, or desktop web browser.
No. Scientific calculators (and all electronic devices) are strictly prohibited in the NEET (National Eligibility cum Entrance Test) exam hall in India. Candidates must solve all physics and chemistry numerical problems manually.
On traditional 7-segment digital calculators: (1) Type 143 (where 1 = I, 4 = Love, 3 = You based on letter count), or (2) Type 07734 and turn the calculator upside down to spell "hELLO", or type 5370551 3708 to read "I LOVE YOU S3708" upside down.
免責事項
本計算ツールの計算結果は情報提供および目安を目的としています。医療・金融・税務・法律等に関する重要なご判断は、必ず専門家にご相談ください。