该API产品通过公式sum = n / 2 × (2 × a + diff × (n - 1))计算线性数列的和，帮助快速求解数列特定项值，适用于分析和计算线性/等差数列，如计算前100个自然数之和为5050。
{
"purchaseCount": 0,
"pv": 2,
"globalHotValue": 0,
"updateDt": 1758473916868,
"hotValue": 0,
"todayChainPv": 0,
"todayGlobalPv": 0,
"americaHotValueDouble": 0,
"globalHotValueDouble": 0,
"todayAmericaPv": 0,
"americaHotValue": 0,
"selectedValueDouble": 800,
"chinaHotValueDouble": 0,
"selectedValue": 800,
"chinaHotValue": 0,
"hotValueDouble": 0
}
Omni卷积计算器可快速计算两个序列的卷积结果，适合信号处理、概率理论等应用，通过数据输入和计算器自动化展示卷积结果，简化复杂数学运算。
{
"purchaseCount": 0,
"pv": 7,
"globalHotValue": 0,
"updateDt": 1758473909998,
"hotValue": 0,
"todayChainPv": 0,
"todayGlobalPv": 0,
"americaHotValueDouble": 0,
"globalHotValueDouble": 0,
"todayAmericaPv": 0,
"americaHotValue": 0,
"selectedValueDouble": 691,
"chinaHotValueDouble": 0,
"selectedValue": 691,
"chinaHotValue": 0,
"hotValueDouble": 0
}
这款API产品可计算第n个调和数或前n项调和级数之和，并解答调和数与调和级数的基本概念问题，支持整数与非整数计算。
{
"purchaseCount": 0,
"pv": 2,
"globalHotValue": 0,
"updateDt": 1758473906031,
"hotValue": 0,
"todayChainPv": 0,
"todayGlobalPv": 0,
"americaHotValueDouble": 0,
"globalHotValueDouble": 0,
"todayAmericaPv": 0,
"americaHotValue": 0,
"selectedValueDouble": 691,
"chinaHotValueDouble": 0,
"selectedValue": 691,
"chinaHotValue": 0,
"hotValueDouble": 0
}
Fibonacci计算器可自动计算Fibonacci数列的任意项，支持自定义起始值，快速获取前250项，并提供与股票交易相关的斐波那契回撤计算。
{
"purchaseCount": 0,
"pv": 4,
"globalHotValue": 0,
"updateDt": 1758473906348,
"hotValue": 0,
"todayChainPv": 0,
"todayGlobalPv": 0,
"americaHotValueDouble": 0,
"globalHotValueDouble": 0,
"todayAmericaPv": 0,
"americaHotValue": 0,
"selectedValueDouble": 691,
"chinaHotValueDouble": 0,
"selectedValue": 691,
"chinaHotValue": 0,
"hotValueDouble": 0
}
