BioCalc Lab vs 速さパス｜中学受験算数

BioCalc Lab is a precise, professional bioinformatics calculator designed for molecular biology researchers, students, and lab technicians. CALCULATORS INCLUDED PCR Setup Build your PCR reaction table interactively. Add or remove reagents, set stock and final concentrations, choose units from a dropdown, and get an instant pipetting summary with exact µL volumes — including nuclease-free water fill. Dilution (C1V1 = C2V2) Solve for any of the four variables in the dilution equation. Enter three known values and the result updates instantly, along with a plain-language pipetting instruction. Molarity Calculate mass, amount (mol), volume, or concentration using molar mass. Supports multiple input paths — enter whichever values you know and the correct result is derived automatically. Primer Analysis Paste or type any 5'→3' primer sequence. Instantly see: - Length and base composition (GC / AT counts and GC%) - Melting temperature via Wallace rule and a simplified nearest-neighbor formula (50 mM Na⁺) - Four quality checks: GC content, length range, self-complementarity, and 3' hairpin risk - Reverse complement sequence DESIGN PHILOSOPHY BioCalc Lab follows a dark lab-aesthetic interface — deep navy background, teal accent readouts, and monospaced numeric displays — so results are easy to read at a glance at the bench. PRIVACY No account required. No data collected. All calculations happen on-device.

中学受験算数で差がつく「速さ」を、図を見ながらテンポよく練習できる問題集アプリです。 4つの頻出分野 - 旅人算：出会い、追いつき、円形コース - 通過算：列車、電柱、橋、トンネル - 流水算：上り、下り、静水時の速さ、流速 - 時計算：針の角度、重なり、直角 学びやすい機能 - 4分野各50問、全200問に図・ヒント・3段階の解説 - 難易度を星で表示 - 図をタップして拡大 - 拡大・ひとつ戻す操作に対応した手書き計算メモ - 学習状況に合わせて出題する毎日の6問 - 間違えた問題・ヒントを使った問題をまとめて復習 - 条件整理・考え方・式と答えの段階解説 - 今日の6問の途中再開と学習結果 - 日を空けた自力正解で「定着」を確認 - 正答率、連続学習日数、分野別達成度を記録 各分野の最初の9問はそのまま利用できます。10問目以降は動画広告を最後まで視聴すると、分野ごとにまとめて解放できます。 短い時間でも、毎日少しずつ。「速さ」が得点源になるまで繰り返そう。