diff --git a/applets/busybox.c b/applets/busybox.c
index 221ef2a65..84629d218 100644
--- a/applets/busybox.c
+++ b/applets/busybox.c
@@ -189,9 +189,6 @@ const struct BB_applet applets[] = {
 #ifdef BB_MAKEDEVS
 	{"makedevs", makedevs_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_MATH
-	{"math", math_main, _BB_DIR_USR_BIN},
-#endif
 #ifdef BB_MD5SUM
 	{"md5sum", md5sum_main, _BB_DIR_USR_BIN},
 #endif
diff --git a/busybox.c b/busybox.c
index 221ef2a65..84629d218 100644
--- a/busybox.c
+++ b/busybox.c
@@ -189,9 +189,6 @@ const struct BB_applet applets[] = {
 #ifdef BB_MAKEDEVS
 	{"makedevs", makedevs_main, _BB_DIR_SBIN},
 #endif
-#ifdef BB_MATH
-	{"math", math_main, _BB_DIR_USR_BIN},
-#endif
 #ifdef BB_MD5SUM
 	{"md5sum", md5sum_main, _BB_DIR_USR_BIN},
 #endif
diff --git a/dc.c b/dc.c
index 37c7731d2..31a5471c3 100644
--- a/dc.c
+++ b/dc.c
@@ -8,11 +8,11 @@
 
 /* Tiny RPN calculator, because "expr" didn't give me bitwise operations. */
 
-static const char dc_usage[] = "math expression ...\n"
+static const char dc_usage[] = "dc expression ...\n"
 #ifndef BB_FEATURE_TRIVIAL_HELP
 		"\nThis is a Tiny RPN calculator that understands the\n"
 		"following operations: +, -, /, *, and, or, not, eor.\n"
-		"i.e. 'math 2 2 add' -> 4, and 'math 8 8 \\* 2 2 + /' -> 16\n"
+		"i.e. 'dc 2 2 add' -> 4, and 'dc 8 8 \\* 2 2 + /' -> 16\n"
 #endif
 		;
 
@@ -22,7 +22,7 @@ static unsigned int pointer;
 static void push(double a)
 {
 	if (pointer >= (sizeof(stack) / sizeof(*stack))) {
-		fprintf(stderr, "math: stack overflow\n");
+		fprintf(stderr, "dc: stack overflow\n");
 		exit(-1);
 	} else
 		stack[pointer++] = a;
@@ -31,7 +31,7 @@ static void push(double a)
 static double pop()
 {
 	if (pointer == 0) {
-		fprintf(stderr, "math: stack underflow\n");
+		fprintf(stderr, "dc: stack underflow\n");
 		exit(-1);
 	}
 	return stack[--pointer];
@@ -132,7 +132,7 @@ static void stack_machine(const char *argument)
 		}
 		o++;
 	}
-	fprintf(stderr, "math: %s: syntax error.\n", argument);
+	fprintf(stderr, "dc: %s: syntax error.\n", argument);
 	exit(-1);
 }
 
diff --git a/docs/busybox.pod b/docs/busybox.pod
index 75763d33f..03749eec9 100644
--- a/docs/busybox.pod
+++ b/docs/busybox.pod
@@ -55,11 +55,11 @@ terse runtime description of their behavior.
 
 Currently defined functions include:
 
-ar, basename, cat, chgrp, chmod, chown, chroot, clear, chvt, cp, cut, date, dd,
-df, dirname, dmesg, du, dutmp, echo, false, fbset, fdflush, find, free,
+ar, basename, cat, chgrp, chmod, chown, chroot, clear, chvt, cp, cut, date, dc,
+dd, df, dirname, dmesg, du, dutmp, echo, false, fbset, fdflush, find, free,
 freeramdisk, deallocvt, fsck.minix, grep, gunzip, gzip, halt, head, hostid,
 hostname, id, init, kill, killall, length, ln, loadacm, loadfont, loadkmap,
-logger, logname, ls, lsmod, makedevs, math, md5sum, mkdir, mkfifo, mkfs.minix,
+logger, logname, ls, lsmod, makedevs, md5sum, mkdir, mkfifo, mkfs.minix,
 mknod, mkswap, mktemp, nc, more, mount, mt, mv, nslookup, ping, poweroff,
 printf, ps, pwd, reboot, rm, rmdir, rmmod, sed, setkeycodes, sh, sfdisk, sleep,
 sort, sync, syslogd, swapon, swapoff, tail, tar, test, tee, touch, tr, true,
@@ -2024,4 +2024,4 @@ Enrique Zanardi <ezanardi@ull.es>
 
 =cut
 
-# $Id: busybox.pod,v 1.44 2000/06/21 19:06:16 beppu Exp $
+# $Id: busybox.pod,v 1.45 2000/06/21 20:17:29 proski Exp $
diff --git a/internal.h b/internal.h
index 58f68f59b..127460fc6 100644
--- a/internal.h
+++ b/internal.h
@@ -152,7 +152,6 @@ extern int logname_main(int argc, char **argv);
 extern int ls_main(int argc, char** argv);
 extern int lsmod_main(int argc, char** argv);
 extern int makedevs_main(int argc, char** argv);
-extern int math_main(int argc, char** argv);
 extern int md5sum_main(int argc, char** argv);
 extern int mkdir_main(int argc, char** argv);
 extern int mkfifo_main(int argc, char **argv);
diff --git a/miscutils/dc.c b/miscutils/dc.c
index 37c7731d2..31a5471c3 100644
--- a/miscutils/dc.c
+++ b/miscutils/dc.c
@@ -8,11 +8,11 @@
 
 /* Tiny RPN calculator, because "expr" didn't give me bitwise operations. */
 
-static const char dc_usage[] = "math expression ...\n"
+static const char dc_usage[] = "dc expression ...\n"
 #ifndef BB_FEATURE_TRIVIAL_HELP
 		"\nThis is a Tiny RPN calculator that understands the\n"
 		"following operations: +, -, /, *, and, or, not, eor.\n"
-		"i.e. 'math 2 2 add' -> 4, and 'math 8 8 \\* 2 2 + /' -> 16\n"
+		"i.e. 'dc 2 2 add' -> 4, and 'dc 8 8 \\* 2 2 + /' -> 16\n"
 #endif
 		;
 
@@ -22,7 +22,7 @@ static unsigned int pointer;
 static void push(double a)
 {
 	if (pointer >= (sizeof(stack) / sizeof(*stack))) {
-		fprintf(stderr, "math: stack overflow\n");
+		fprintf(stderr, "dc: stack overflow\n");
 		exit(-1);
 	} else
 		stack[pointer++] = a;
@@ -31,7 +31,7 @@ static void push(double a)
 static double pop()
 {
 	if (pointer == 0) {
-		fprintf(stderr, "math: stack underflow\n");
+		fprintf(stderr, "dc: stack underflow\n");
 		exit(-1);
 	}
 	return stack[--pointer];
@@ -132,7 +132,7 @@ static void stack_machine(const char *argument)
 		}
 		o++;
 	}
-	fprintf(stderr, "math: %s: syntax error.\n", argument);
+	fprintf(stderr, "dc: %s: syntax error.\n", argument);
 	exit(-1);
 }