关于本计算器
Convert decimals to normalized scientific notation (mantissa × 10^exp) and E-notation, or convert back.
科学计数法转换
十进制与规范科学计数法互转。
输入计算参数
计算结果摘要
规范记数法2.997925 × 10^8
E 记数法2.997925e8
十进制值1500000001.5 × 10^8
常见问题
What is normalized form?
Mantissa between 1 (inclusive) and 10 (exclusive) times an integer power of ten.
What is E-notation?
Compact form like 1.5e8 used by calculators and code for ×10^8.
Zero and negatives?
Zero maps to 0 × 10^0; negatives keep their sign on the mantissa.