diff --git a/MANUAL.md b/MANUAL.md
index 4e1ecdd..5b8ca0f 100644
--- a/MANUAL.md
+++ b/MANUAL.md
@@ -247,12 +247,12 @@ rpn>
 |keyword|description|
 |-|-|
 |e|	exp(1) constant
-|log|	logarithm base 10
-|alog|	(or exp10) exponential base 10
-|log2|	logarithm base 2
-|alog2|	(or exp2) exponential base 2
 |ln|	logarithm base e
 |exp|	exponential
+|log10|	logarithm base 10
+|alog10| (or exp10) exponential base 10
+|log2|	logarithm base 2
+|alog2|	(or exp2) exponential base 2
 |sinh|	hyperbolic sine
 |asinh|	inverse hyperbolic sine
 |cosh|	hyperbolic cosine
diff --git a/src/program.cpp b/src/program.cpp
index fc2666d..cd73cb6 100644
--- a/src/program.cpp
+++ b/src/program.cpp
@@ -163,14 +163,14 @@ program::keyword_t program::s_keywords[] =
     //LOGS
     { cmd_undef, "", NULL, "\nLOGS"},
     { cmd_keyword, "e", &program::rpn_e, "exp(1) constant" },
-    { cmd_keyword, "log", &program::rpn_log, "logarithm base 10" },
-    { cmd_keyword, "alog", &program::rpn_alog, "(or exp10) exponential base 10" },
-    { cmd_keyword, "exp10", &program::rpn_alog, "" },
+    { cmd_keyword, "ln", &program::rpn_ln, "logarithm base e" },
+    { cmd_keyword, "exp", &program::rpn_exp, "exponential" },
+    { cmd_keyword, "log10", &program::rpn_log10, "logarithm base 10" },
+    { cmd_keyword, "alog10", &program::rpn_alog10, "(or exp10) exponential base 10" },
+    { cmd_keyword, "exp10", &program::rpn_alog10, "" },
     { cmd_keyword, "log2", &program::rpn_log2, "logarithm base 2" },
     { cmd_keyword, "alog2", &program::rpn_alog2, "(or exp2) exponential base 2" },
     { cmd_keyword, "exp2", &program::rpn_alog2, "" },
-    { cmd_keyword, "ln", &program::rpn_ln, "logarithm base e" },
-    { cmd_keyword, "exp", &program::rpn_exp, "exponential" },
     { cmd_keyword, "sinh", &program::rpn_sinh, "hyperbolic sine" },
     { cmd_keyword, "asinh", &program::rpn_asinh, "inverse hyperbolic sine" },
     { cmd_keyword, "cosh", &program::rpn_sinh, "hyperbolic cosine" },
diff --git a/src/rpn-logs.hpp b/src/rpn-logs.hpp
index 247be63..c9cd46d 100644
--- a/src/rpn-logs.hpp
+++ b/src/rpn-logs.hpp
@@ -5,7 +5,7 @@ void rpn_e(void)
     CHECK_MPFR(mpfr_exp(euler->_value.mpfr, euler->_value.mpfr, floating_t::s_mpfr_rnd));
 }
 
-void rpn_log()
+void rpn_log10()
 {
     MIN_ARGUMENTS(1);
     ARG_MUST_BE_OF_TYPE(0, cmd_number);
@@ -29,7 +29,7 @@ void rpn_log()
         CHECK_MPFR(mpfr_log10(left->_value.mpfr, left->_value.mpfr, floating_t::s_mpfr_rnd));
 }
 
-void rpn_alog()
+void rpn_alog10()
 {
     MIN_ARGUMENTS(1);
     ARG_MUST_BE_OF_TYPE(0, cmd_number);